1089543984 has 40 divisors (see below), whose sum is σ = 2850293760. Its totient is φ = 358582848.

The previous prime is 1089543977. The next prime is 1089544021. The reversal of 1089543984 is 4893459801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139872 + ... + 147455.

It is an arithmetic number, because the mean of its divisors is an integer number (71257344).

Almost surely, 2^1089543984 is an apocalyptic number.

It is an amenable number.

1089543984 is an abundant number, since it is smaller than the sum of its proper divisors (1760749776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1089543984 is a wasteful number, since it uses less digits than its factorization.

1089543984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287417 (or 287411 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 1089543984 is about 33008.2411527788. The cubic root of 1089543984 is about 1028.9989280721.

The spelling of 1089543984 in words is "one billion, eighty-nine million, five hundred forty-three thousand, nine hundred eighty-four".